Answer:
20.3 units
Step-by-step explanation:
AB/CB = BD/AB
9/CB = 4/9
CB = 9×9/4
CB = 81/4 = 20¼ units
20.25 (20.3 units correct to 1 dp)
Answer:
sorry accidentally answered
Step-by-step explanation:
You have to use distributive property then you combine like terms
The question can be solved as follows:

Hence the value of the given expression in scientific notation is expressed as:
The area of a circle is:
A=pr^2
You are told r=32 so
A=p32^2
A=1024p u^2